Alerts This Week
Warning Icon 1 637
Alerts This Week
Warning Icon 1 637

Stay Secure with the Latest Linux Advisories

Filter Icon Refine advisories
X Clear Filters
X Clear Filters
View More

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
bottom 200
Loading...

Explore Latest Linux Security advisories

We found 19 articles for you...
203

Mageia 7 & 8 MGASA-2021-0159 Critical: Zeromq Memory Leak & Overflow

Memory leak in client induced by malicious server without CURVE/ZAP (rhbz#1921972). Stack overflow on server running PUB/XPUB socket (rhbz#1921976). . MGASA-2021-0159 - Updated zeromq packages fix security vulnerabilities Publication date: 30 Mar 2021 URL: https://advisories.mageia.org/MGASA-2021-0159.html Type: security Affected Mageia releases: 7, 8 Memory leak in client induced by malicious server without CURVE/ZAP (rhbz#1921972). Stack overflow on server running PUB/XPUB socket (rhbz#1921976). Heap overflow when receiving malformed ZMTP v1 packets (rhbz#1921983). Memory leaks via metadata messages processed by PUB sockets (rhbz#1921989). Also, the cppzmq package has been rebuilt to fix the broken dependency on zeromq-devel. References: - https://bugs.mageia.org/show_bug.cgi?id=28320 - https://lists.zeromq.org/pipermail/zeromq-announce/2021-January/000068.html - https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./thread/A73URKLEFEB5USSGSLKTP7XWE5JUKSB7/ SRPMS: - 8/core/zeromq-4.3.4-1.1.mga8 - 8/core/cppzmq-4.7.1-1.1.mga8 - 7/core/zeromq-4.3.4-1.1.mga7 - 7/core/cppzmq-4.3.0-2.4.mga7 . Mageia's MGASA-2021-0160 addresses crucial updates for OpenSSL vulnerabilities, tackling buffer errors and unauthorized access. Discover more details!. Mageia Security,Zeromq Update,Memory Leak Fix,Stack Overflow. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Mar 30, 2021 Critical Mageia
89

Fedora 33: 2021-8b3202b783 Low: zeromq Buffer Overflow Risk

- Upstream upgrade - Fixes #1921879, #1921972, #1921973, #1921975, #1921976, #1921979, #1921981, #1921983, #1921983, #1921985, #1921987, #1921989, #1921992, #1921994. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2021-8b3202b783 2021-02-08 01:29:15.824785 --------------------------------------------------------------------------------Name : zeromq Product : Fedora 33 Version : 4.3.4 Release : 1.fc33 URL : https://zeromq.org Summary : Software library for fast, message-based applications Description : The 0MQ lightweight messaging kernel is a library which extends the standard socket interfaces with features traditionally provided by specialized messaging middle-ware products. 0MQ sockets provide an abstraction of asynchronous message queues, multiple messaging patterns, message filtering (subscriptions), seamless access to multiple transport protocols and more. This package contains the ZeroMQ shared library. --------------------------------------------------------------------------------Update Information: - Upstream upgrade - Fixes #1921879, #1921972, #1921973, #1921975, #1921976, #1921979, #1921981, #1921983, #1921983, #1921985, #1921987, #1921989, #1921992, #1921994 --------------------------------------------------------------------------------ChangeLog: * Sat Jan 30 2021 Denis Arnaud - 4.3.4-1 - Upstream upgrade - Fixes #1921879, #1921972, #1921973, #1921975, #1921976, #1921979, #1921981, - #1921983, #1921983, #1921985, #1921987, #1921989, #1921992, #1921994 --------------------------------------------------------------------------------References: [ 1 ] Bug #1921972 - zeromq: Memory leak in client induced by malicious server without CURVE/ZAP https://bugzilla.redhat.com/show_bug.cgi?id=1921972 [ 2 ] Bug #1921976 - zeromq: Stack overflow on server running PUB/XPUB socket https://bugzilla.redhat.com/show_bug.cgi?id=1921976 [ 3 ] Bug #1921983 -zeromq: Heap overflow when receiving malformed ZMTP v1 packets https://bugzilla.redhat.com/show_bug.cgi?id=1921983 [ 4 ] Bug #1921989 - zeromq: Memory leaks via metadata messages processed by PUB sockets https://bugzilla.redhat.com/show_bug.cgi?id=1921989 --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2021-8b3202b783' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ --------------------------------------------------------------------------------_______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ . Fedora 33 users, a vital upgrade alert has been released for zeromq, featuring key bug fixes and performance upgrades essential for enhancing system stability and functionality. Fedora Update, 0MQ Library, Messaging Patterns, Software Upgrades. . Severity: Low. LinuxSecurity.com Team

Calendar 2 Feb 07, 2021 Low Fedora
202

openSUSE Leap 15.2: openSUSE-SU-2020:1910-1 Moderate: Zeromq DoS Risk

An update that solves one vulnerability and has four fixes is now available. . openSUSE Security Update: Security update for zeromq ______________________________________________________________________________ Announcement ID: openSUSE-SU-2020:1910-1 Rating: moderate References: #1176116 #1176256 #1176257 #1176258 #1176259 Cross-References: CVE-2020-15166 Affected Products: openSUSE Leap 15.2 ______________________________________________________________________________ An update that solves one vulnerability and has four fixes is now available. Description: This update for zeromq fixes the following issues: - CVE-2020-15166: Fixed the possibility of unauthenticated clients causing a denial-of-service (bsc#1176116). - Fixed a heap overflow when receiving malformed ZMTP v1 packets (bsc#1176256) - Fixed a memory leak in client induced by malicious server(s) without CURVE/ZAP (bsc#1176257) - Fixed memory leak when processing PUB messages with metadata (bsc#1176259) - Fixed a stack overflow in PUB/XPUB subscription store (bsc#1176258) This update was imported from the SUSE:SLE-15:Update update project. Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 15.2: zypper in -t patch openSUSE-2020-1910=1 Package List: - openSUSE Leap 15.2 (i586 x86_64): libunwind-1.2.1-lp152.5.3.1 libunwind-debuginfo-1.2.1-lp152.5.3.1 libunwind-debugsource-1.2.1-lp152.5.3.1 libunwind-devel-1.2.1-lp152.5.3.1 - openSUSE Leap 15.2 (x86_64): libunwind-32bit-1.2.1-lp152.5.3.1 libunwind-32bit-debuginfo-1.2.1-lp152.5.3.1 libzmq5-4.2.3-lp152.7.3.1 libzmq5-debuginfo-4.2.3-lp152.7.3.1 zeromq-debugsource-4.2.3-lp152.7.3.1 zeromq-devel-4.2.3-lp152.7.3.1 zeromq-tools-4.2.3-lp152.7.3.1 zeromq-tools-debuginfo-4.2.3-lp152.7.3.1 References: https://www.suse.com/security/cve/CVE-2020-15166.html https://bugzilla.suse.com/1176116 https://bugzilla.suse.com/1176256 https://bugzilla.suse.com/1176257 https://bugzilla.suse.com/1176258 https://bugzilla.suse.com/1176259 _______________________________________________ openSUSE Security Announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe, email This email address is being protected from spambots. You need JavaScript enabled to view it. List Netiquette: https://en.opensuse.org/openSUSE:Mailing_list_netiquette List Archives: . News for openSUSE users: critical updates for zeromq addressing vulnerabilities related to denial-of-service and memory leak concerns. Discover additional insights on the specifics.. openSUSE Security Update, zeromq patch, denial of service, memory leak fix. . LinuxSecurity.com Team

Calendar 2 Nov 14, 2020 OpenSUSE
202

openSUSE 15.1: 2020:1907-1 Moderate: zeromq Denial of Service

An update that solves one vulnerability and has four fixes is now available. . openSUSE Security Update: Security update for zeromq ______________________________________________________________________________ Announcement ID: openSUSE-SU-2020:1907-1 Rating: moderate References: #1176116 #1176256 #1176257 #1176258 #1176259 Cross-References: CVE-2020-15166 Affected Products: openSUSE Leap 15.1 ______________________________________________________________________________ An update that solves one vulnerability and has four fixes is now available. Description: This update for zeromq fixes the following issues: - CVE-2020-15166: Fixed the possibility of unauthenticated clients causing a denial-of-service (bsc#1176116). - Fixed a heap overflow when receiving malformed ZMTP v1 packets (bsc#1176256) - Fixed a memory leak in client induced by malicious server(s) without CURVE/ZAP (bsc#1176257) - Fixed memory leak when processing PUB messages with metadata (bsc#1176259) - Fixed a stack overflow in PUB/XPUB subscription store (bsc#1176258) This update was imported from the SUSE:SLE-15:Update update project. Patch Instructions: To install this openSUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 15.1: zypper in -t patch openSUSE-2020-1907=1 Package List: - openSUSE Leap 15.1 (i586 x86_64): libunwind-1.2.1-lp151.4.3.1 libunwind-debuginfo-1.2.1-lp151.4.3.1 libunwind-debugsource-1.2.1-lp151.4.3.1 libunwind-devel-1.2.1-lp151.4.3.1 - openSUSE Leap 15.1 (x86_64): libunwind-32bit-1.2.1-lp151.4.3.1 libunwind-32bit-debuginfo-1.2.1-lp151.4.3.1 libzmq5-4.2.3-lp151.5.6.1 libzmq5-debuginfo-4.2.3-lp151.5.6.1 zeromq-debugsource-4.2.3-lp151.5.6.1 zeromq-devel-4.2.3-lp151.5.6.1 zeromq-tools-4.2.3-lp151.5.6.1 zeromq-tools-debuginfo-4.2.3-lp151.5.6.1 References: https://www.suse.com/security/cve/CVE-2020-15166.html https://bugzilla.suse.com/1176116 https://bugzilla.suse.com/1176256 https://bugzilla.suse.com/1176257 https://bugzilla.suse.com/1176258 https://bugzilla.suse.com/1176259 _______________________________________________ openSUSE Security Announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe, email This email address is being protected from spambots. You need JavaScript enabled to view it. List Netiquette: https://en.opensuse.org/openSUSE:Mailing_list_netiquette List Archives: . The newest openSUSE Security Patch tackles a serious zeromq vulnerability that may cause denial of service and introduces key enhancements. Explore the details now. openSUSE Security, zeromq Update, Denial of Service, Heap Overflow, Memory Leak. . LinuxSecurity.com Team

Calendar 2 Nov 13, 2020 OpenSUSE
197

Debian LTS: DLA-2443-1 zeromq3 Vulnerability Denial of Service Risk

It was discovered that ZeroMQ, a lightweight messaging kernel library does not properly handle connecting peers before a handshake is completed. A remote, unauthenticated client connecting to an application using the libzmq library, running with a socket . - ----------------------------------------------------------------------- Debian LTS Advisory DLA-2443-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Utkarsh Gupta November 10, 2020 https://wiki.debian.org/LTS - ----------------------------------------------------------------------- Package : zeromq3 Version : 4.2.1-4+deb9u3 CVE ID : CVE-2020-15166 It was discovered that ZeroMQ, a lightweight messaging kernel library does not properly handle connecting peers before a handshake is completed. A remote, unauthenticated client connecting to an application using the libzmq library, running with a socket listening with CURVE encryption/authentication enabled can take advantage of this flaw to cause a denial of service affecting authenticated and encrypted clients. For Debian 9 stretch, this problem has been fixed in version 4.2.1-4+deb9u3. We recommend that you upgrade your zeromq3 packages. For the detailed security status of zeromq3 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/source-package/zeromq3 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Debian LTS Advisory DLA-2450-1 tackles a security vulnerability in libcurl. It is recommended to update to ensure protection.. zeromq, security advisory, debian, denial of service, encryption. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Nov 10, 2020 Important Debian LTS
100

SUSE: 2020:3064-1 Moderate: Zeromq Memory Leak and Stack Overflow

An update that contains security fixes can now be installed. . SUSE Security Update: Security update for zeromq ______________________________________________________________________________ Announcement ID: SUSE-SU-2020:3064-1 Rating: moderate References: #1176257 #1176258 Affected Products: SUSE Manager Tools 12 SUSE Manager Server 3.2 SUSE Manager Proxy 3.2 SUSE Linux Enterprise Workstation Extension 12-SP5 SUSE Linux Enterprise Software Development Kit 12-SP5 SUSE Linux Enterprise Point of Sale 12-SP2 SUSE Linux Enterprise Module for Advanced Systems Management 12 SUSE Enterprise Storage 5 ______________________________________________________________________________ An update that contains security fixes can now be installed. Description: This update for zeromq fixes the following issues: - Fixed a memory leak in client induced by malicious server(s) without CURVE/ZAP (bsc#1176257) - Fixed a stack overflow in PUB/XPUB subscription store (bsc#1176258) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Manager Tools 12: zypper in -t patch SUSE-SLE-Manager-Tools-12-2020-3064=1 - SUSE Manager Server 3.2: zypper in -t patch SUSE-SUSE-Manager-Server-3.2-2020-3064=1 - SUSE Manager Proxy 3.2: zypper in -t patch SUSE-SUSE-Manager-Proxy-3.2-2020-3064=1 - SUSE Linux Enterprise Workstation Extension 12-SP5: zypper in -t patch SUSE-SLE-WE-12-SP5-2020-3064=1 - SUSE Linux Enterprise Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-3064=1 - SUSE Linux Enterprise Point of Sale 12-SP2: zypper in -t patch SUSE-SLE-POS-12-SP2-2020-3064=1 - SUSELinux Enterprise Module for Advanced Systems Management 12: zypper in -t patch SUSE-SLE-Module-Adv-Systems-Management-12-2020-3064=1 - SUSE Enterprise Storage 5: zypper in -t patch SUSE-Storage-5-2020-3064=1 Package List: - SUSE Manager Tools 12 (aarch64 ppc64le s390x x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 - SUSE Manager Server 3.2 (ppc64le s390x x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 - SUSE Manager Proxy 3.2 (x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 - SUSE Linux Enterprise Workstation Extension 12-SP5 (x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 zeromq-devel-4.0.4-15.6.1 - SUSE Linux Enterprise Point of Sale 12-SP2 (x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 - SUSE Linux Enterprise Module for Advanced Systems Management 12 (ppc64le s390x x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 - SUSE Enterprise Storage 5 (aarch64 x86_64): libzmq3-4.0.4-15.6.1 libzmq3-debuginfo-4.0.4-15.6.1 zeromq-debugsource-4.0.4-15.6.1 References: https://bugzilla.suse.com/1176257 https://bugzilla.suse.com/1176258 . Security update for zeromq addresses memory leak and stack overflow vulnerabilities affecting SUSE systems.. zeromq update, SUSE security, memory leak, stack overflow, security fix. . LinuxSecurity.com Team

Calendar 2 Oct 28, 2020 SuSE
198

Arch Linux: 202009-16 High: Zeromq Denial Of Service Advisory

The package zeromq before version 4.3.3-1 is vulnerable to denial of service. . Arch Linux Security Advisory ASA-202009-16 ========================================= Severity: High Date : 2020-09-26 CVE-ID : CVE-2020-15166 Package : zeromq Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1219 Summary ====== The package zeromq before version 4.3.3-1 is vulnerable to denial of service. Resolution ========= Upgrade to 4.3.3-1. # pacman -Syu "zeromq> =4.3.3-1" The problem has been fixed upstream in version 4.3.3. Workaround ========= None. Description ========== A denial of service has been found in libzmq before 4.3.3, allowing unauthenticated clients to prevent legitimate clients from exchange any message with a CURVE/ZAP-protected server. Impact ===== A remote attacker might be able to cause a denial of service through a malicious connection. References ========= https://github.com/zeromq/libzmq/security/advisories/GHSA-25wp-cf8g-938m https://github.com/zeromq/libzmq/pull/3913/commits/e7f0090b161ce6344f6bd35009816a925c070b09 https://oss-fuzz.com/login https://security.archlinux.org/CVE-2020-15166 . The Arch Linux Security Advisory ASA-202009-16 discusses a denial of service vulnerability in zeromq, outlining its potential impacts and suggested mitigation strategies. zeromq Denial Of Service Arch Linux Security Advisory Upgrade. . LinuxSecurity.com Team

Calendar 2 Oct 06, 2020 ArchLinux
89

Fedora 33 ZeroMQ 2020-5460fcf6bd Critical: DoS Threat Resolved

Fix of #1876738 and #1876689. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2020-5460fcf6bd 2020-09-25 16:31:57.897781 --------------------------------------------------------------------------------Name : zeromq Product : Fedora 33 Version : 4.3.3 Release : 1.fc33 URL : https://zeromq.org Summary : Software library for fast, message-based applications Description : The 0MQ lightweight messaging kernel is a library which extends the standard socket interfaces with features traditionally provided by specialized messaging middle-ware products. 0MQ sockets provide an abstraction of asynchronous message queues, multiple messaging patterns, message filtering (subscriptions), seamless access to multiple transport protocols and more. This package contains the ZeroMQ shared library. --------------------------------------------------------------------------------Update Information: Fix of #1876738 and #1876689 --------------------------------------------------------------------------------ChangeLog: * Tue Sep 15 2020 Denis Arnaud - 4.3.3-1 - Upstream upgrade - Fixes #1876738 and #1876689 --------------------------------------------------------------------------------References: [ 1 ] Bug #1876689 - CVE-2020-15166 zeromq: unauthenticated clients causing denial-of-service [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=1876689 [ 2 ] Bug #1876738 - zeromq-4.3.3 is available https://bugzilla.redhat.com/show_bug.cgi?id=1876738 --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2020-5460fcf6bd' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used bythe Fedora Project can be found at https://fedoraproject.org/security/ --------------------------------------------------------------------------------_______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ . New update out for Fedora 33: zeromq. Addresses important problems affecting messaging applications.. Fedora Update, ZeroMQ Library, Software Upgrade, Message Queuing. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Sep 25, 2020 Critical Fedora
News Add Esm H240

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Community Poll

What got you started with Linux?

No answer selected. Please try again.
Please select either existing option or enter your own, however not both.
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).
/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
0
[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
bottom 200
Your message here